<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<style>
    #input{
           width: 50%;
        height: 50%;
      position: relative;
        top: 100px;
        background-color: white;
    }
      #admin{
           margin: 200px auto;
      }
#color{
    width: 100%;
    height: 1000px;
    background-color: rgb(79, 195, 247);
}
</style>
<link rel="stylesheet" href="../bootstrap-3.4.1-dist/css/bootstrap.min.css">
<body>



<div  id="color">
   <div class="container " id="input">
       <div class="row">
           <div class="col-md-"></div>
        <div class="input-group" id="admin">
            <div class="input-group input-group-lg">
                <span class="input-group-addon" id="sizing-addon1">@</span>
                <input type="text" class="form-control" placeholder="Username" aria-describedby="sizing-addon1">

          </div>

            <div class="input-group" id="password">
                <div class="input-group input-group-lg">
                    <span class="input-group-addon" id="sizing-addon1">@</span>
                    <input type="text" class="form-control" placeholder="Username" aria-describedby="sizing-addon1">

                </div>
            </div>
        </div>
        </div>



   </div>
    
</div>
    <script src="../bootstrap-3.4.1-dist/js/jquery-1.9.1.js"></script>
    <script src="../bootstrap-3.4.1-dist/js/bootstrap.min.js"></script>
</body>
</html>